CN103215599B - Gas-phase corrosion inhibitor used for carbon steel, and preparation method, application method, and purpose thereof - Google Patents
Gas-phase corrosion inhibitor used for carbon steel, and preparation method, application method, and purpose thereof Download PDFInfo
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- CN103215599B CN103215599B CN201310064025.3A CN201310064025A CN103215599B CN 103215599 B CN103215599 B CN 103215599B CN 201310064025 A CN201310064025 A CN 201310064025A CN 103215599 B CN103215599 B CN 103215599B
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Abstract
The invention discloses a gas-phase corrosion inhibitor used for carbon steel. The corrosion inhibitor is composed of the materials of, by mass, 27-33% of phytic acid, 36-45% of tannic acid, and 22-37% of sodium silicate, wherein a total amount of the components is 100%. The invention also discloses a preparation method of the corrosion inhibitor used for carbon steel. The gas-phase corrosion inhibitor has an excellent corrosion inhibition performance upon carbon steel. The complex gas-phase corrosion inhibitor has the advantages of no toxicity, high efficiency, and low pollution to the environment. With the gas-phase corrosion inhibitor, problems of low corrosion inhibition performance and toxicity of existing corrosion inhibitors are solved.
Description
Technical field
The invention belongs to metal vapor phase rust-proofing technical field, relate to a kind of vapour-phase inhibitor for carbon steel, the invention still further relates to the above-mentioned preparation method for a kind of vapour-phase inhibitor for carbon steel, using method and purposes.
Background technology
Vapor phase inhibitor technology and VCI technology, VCI is the abbreviation of English volatile corrosion inhibitor, it is a kind of technology utilizing vapour-phase inhibitor to protect metal, is a very noticeable new and high technology in anti-corrosion of metal field, the world today.The antiseptic principle of vapour-phase inhibitor is; there is the volatility as mothball and certain vapour pressure; a kind of gas can be volatilized; be attached to metallic surface and form layer protecting film; inhibit the generation of electrochemical reaction, also block the matter corrodes metallic surface that some accelerate metallic corrosion simultaneously.Along with the application of vapor phase inhibitor technology, current volatile rust prevention product both domestic and external mainly contains four kinds of forms, volatile rust prevention powder, volatile rust preventive oil, volatile rust preventive paper, gas phase anti-tarnishing film, wherein volatile rust preventive paper is the packaging means of volatile rust prevention the most widely of current domestic employing.
The key of vapor phase inhibitor technology is the choice and application of vapour-phase inhibitor, and the research process of vapour-phase inhibitor roughly experienced by 3 stages, ferrous metal inhibition conceptual phase, the comprehensive inhibition conceptual phase of various metals and environment friendly gas phase corrosion inhibitor conceptual phase.
In the middle of the evolution of vapour-phase inhibitor, the organic amine such as dicyclohexyl amine nitrite, cyclohexylamine carbonate relies on its excellent corrosion inhibition in occupation of dominant position, meanwhile also there are some problems that can not be ignored, namely toxicity is too large, to human body and environment, there is obvious infringement, there is toxicity in chromic salt, discharge can cause problem of environmental pollution; Phosphate corrosion inhibitor was because price advantage was once widely used, but the phenomenon that the discharge of phosphoric acid salt sewage can make river, red tide appears in lake.
Current research shows that single inhibiter has good rustless property to metal, but when inhibiter single-component uses, its corrosion inhibition has certain limitation, and the synergy between inhibiter demonstrates more excellent corrosion inhibition.
Current research shows that phytic acid, Weibull, water glass, glycine have good rust inhibition to metal, when but inhibiter single-component uses, its corrosion inhibition has certain limitation, and more existing composite vapour-phase inhibitors usually all have certain toxicity.
Summary of the invention
The object of this invention is to provide a kind of vapour-phase inhibitor for carbon steel, low with the corrosion inhibition solving existing inhibiter, poisonous problem.
The present invention also aims to, provide the present invention for the preparation method of the vapour-phase inhibitor of carbon steel, using method and purposes.
The first technical scheme of the present invention is, for the vapour-phase inhibitor of carbon steel, is made up of by mass percentage following raw material: phytic acid 27% ~ 33%, Weibull 36% ~ 45%, water glass 22% ~ 37%, and the content summation of above component is 100%.
The second technical scheme of the present invention, as above for the preparation method of the vapour-phase inhibitor of carbon steel, comprises the following steps:
Step 1, takes the raw material for the preparation of the vapour-phase inhibitor for carbon steel
Take phytic acid 27% ~ 33% respectively by mass percentage, Weibull 36% ~ 45%, water glass 22% ~ 37%, the content summation of above component is 100%;
Step 2, vapour-phase inhibitor for the preparation of carbon steel
2.1) be dissolved in distilled water by phytic acid, stir, obtained plant acid solution, its quality-volumetric concentration is 27g/L ~ 33g/L; Be dissolved in by Weibull in distilled water, stir, obtained tannic acid solution, its quality-volumetric concentration is 36g/L ~ 45g/L; Be dissolved in by water glass in distilled water, stir, obtained sodium silicate solution, its quality-volumetric concentration is 22g/L ~ 37g/L;
2.2) by step 2.1) in obtained plant acid solution, tannic acid solution and sodium silicate solution all standing, then by these three kinds of solution mixing, and stir, i.e. obtained a kind of vapour-phase inhibitor for carbon steel of the present invention.
Wherein, step 2.1) described in the churning time of plant acid solution, tannic acid solution and sodium silicate solution be 5 ~ 10 minutes, step 2.2) described in plant acid solution, tannic acid solution and sodium silicate solution time of repose be 3 ~ 5 minutes, three kinds of solution mixed solution stirring times are 5 ~ 10 minutes.
The third technical scheme of the present invention is, using method as above for the vapour-phase inhibitor of carbon steel is, after obtaining the vapour-phase inhibitor for carbon steel, be no more than in the time of 24 hours, this vapour-phase inhibitor is coated on anti-rust base paper or plastics film, is made into volatile rust preventive paper or gas-phase antirusting film; Cleaning, drying, foreign state is processed into again by by antirust steel surface; Finally, by volatile rust preventive paper or gas-phase antirusting film parcel steel surface, and sealed interface place, and volatile rust preventive paper or directly contact between gas-phase antirusting film with carbon steel.
4th kind of technical scheme of the present invention is, as above for the application of vapour-phase inhibitor on Simple steel rust-resisting of carbon steel.
The invention has the beneficial effects as follows, the invention provides a kind of vapour-phase inhibitor compounded formula excellent to the corrosion inhibition of carbon steel, this is used for, and the vapour-phase inhibitor of carbon steel is nontoxic, efficient, environmental pollution is little, and the corrosion inhibition solving existing inhibiter is low, poisonous problem; Preparation method's step of the present invention is simple, and the task equipment of use is few, easily realizes; Antirust needs to carbon steel when using method of the present invention meets practical application, extend the work-ing life of carbon steel.
Accompanying drawing explanation
Fig. 1 is the mass concentration proportioning for phytic acid, Weibull, water glass in the vapour-phase inhibitor of carbon steel of the present invention and inhibiter to the graph of a relation of the rate of oxidation of 45# steel and A3 steel;
Fig. 2 is the mass concentration proportioning for phytic acid, Weibull, water glass in the vapour-phase inhibitor of carbon steel of the present invention and the graph of a relation of the corrosion inhibition rate to 45# steel and A3 steel.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The invention provides a kind of vapour-phase inhibitor for carbon steel, be made up of by mass percentage following raw material: phytic acid 27% ~ 33%, Weibull 36% ~ 45%, water glass 22% ~ 37%, the content summation of above component is 100%.
Present invention also offers as above for the preparation method of the vapour-phase inhibitor of carbon steel, specifically implement according to the following steps,
Step 1, takes the raw material for the preparation of the vapour-phase inhibitor for carbon steel
Take phytic acid 27% ~ 33% respectively by mass percentage, Weibull 36% ~ 45%, water glass 22% ~ 37%, the content summation of above component is 100%;
Step 2, vapour-phase inhibitor for the preparation of carbon steel
2.1) be dissolved in distilled water by phytic acid, stir 5 ~ 10 minutes, obtained plant acid solution, its quality-volumetric concentration is 27g/L ~ 33g/L; Be dissolved in by Weibull in distilled water, stir 5 ~ 10 minutes, obtained tannic acid solution, its quality-volumetric concentration is 36g/L ~ 45g/L; Be dissolved in by water glass in distilled water, stir 5 ~ 10 minutes, obtained sodium silicate solution, its quality-volumetric concentration is 22g/L ~ 37g/L;
2.2) by step 2.1) in obtained plant acid solution, tannic acid solution and sodium silicate solution all leave standstill 3 ~ 5 minutes, then by these three kinds of solution mixing, and stir and make it fully mix in 5 ~ 10 minutes, be i.e. obtained a kind of vapour-phase inhibitor for carbon steel of the present invention.
Embodiment 1
Take phytic acid 30% respectively by mass percentage, Weibull 40%, water glass 30%, the phytic acid taken, Weibull and water glass are put into distilled water respectively, obtained plant acid solution, tannic acid solution and sodium silicate solution respectively, its quality-volumetric concentration is respectively 27g/L, 40.5g/L and 37g/L, then mixing after these three kinds of solution are all left standstill 3 minutes, stirring makes it fully mix in 10 minutes, i.e. obtained a kind of vapour-phase inhibitor for carbon steel of the present invention.
The using method of the above-mentioned vapour-phase inhibitor for carbon steel is: constantly little at this vapour-phase inhibitor 12 obtained, is coated on anti-rust base paper, is made into volatile rust preventive paper by this vapour-phase inhibitor; Clean, dry, foreign state is become again by by antirust 45# steel surface treatment; Finally, closely wrap up 45# surface with volatile rust preventive paper, and sealed interface place.
Embodiment 2
Take phytic acid 27% respectively by mass percentage, Weibull 45%, water glass 28%, the phytic acid taken, Weibull and water glass are put into distilled water respectively, obtained plant acid solution, tannic acid solution and sodium silicate solution respectively, its quality-volumetric concentration is respectively 30g/L, 45g/L and 22g/L, then mixing after these three kinds of solution are all left standstill 4 minutes, and stir and make it fully mix in 7.5 minutes, be i.e. obtained a kind of vapour-phase inhibitor for carbon steel of the present invention.
The using method of the above-mentioned vapour-phase inhibitor for carbon steel is: constantly little at this vapour-phase inhibitor 24 obtained, is coated on anti-rust base paper, is made into gas-phase antirusting film by this vapour-phase inhibitor; Clean, dry, foreign state is become again by by antirust A3 steel surface treatment; Finally, closely wrap up A3 steel surface with gas-phase antirusting film, and sealed interface place.
Embodiment 3
Take phytic acid 22.5% respectively by mass percentage, Weibull 40.5%, water glass 37%, the phytic acid taken, Weibull and water glass are put into distilled water, obtained plant acid solution, tannic acid solution and sodium silicate solution respectively, its quality-volumetric concentration is respectively 33g/L, 36g/L and 29.5g/L, then mixing after these three kinds of solution are all left standstill 5 minutes, and stir and make it fully mix in 5 minutes, be i.e. obtained a kind of vapour-phase inhibitor for carbon steel of the present invention.
The using method of the above-mentioned vapour-phase inhibitor for carbon steel is: after this vapour-phase inhibitor obtained, be coated on plastics film immediately, be made into volatile rust preventive paper by this vapour-phase inhibitor; Clean, dry, foreign state is become again by by antirust 45# steel surface treatment; Finally, closely wrap up 45# surface with volatile rust preventive paper, and sealed interface place.
See Fig. 1 and Fig. 2, by carrying out analysis of experiments to a kind of vapour-phase inhibitor for carbon steel of the present invention respectively to 45# steel and A3 steel, draw, by the mass percent 27% ~ 33% of phytic acid, the mass percent 36% ~ 45% of Weibull, the mass percent 22% ~ 37% of water glass, the content summation of above component is the 100% a kind of vapour-phase inhibitor for carbon steel formed, and its rate of oxidation and corrosion inhibition rate reach best.
Of the present invention a kind of for the phytic acid in the vapour-phase inhibitor of carbon steel; have another name called nucite Liu phosphoric acid ester; phytic acid is generally extensively present in cereal with the form of its calcium, magnesium double salt; non-toxic and safe; the protective membrane of one deck densification is easily formed in metallic surface; and then stop corrosive medium to arrive metallic surface, thus effectively protect metal.
Of the present invention a kind of for the Weibull in the vapour-phase inhibitor of carbon steel, have another name called tannic acid, mainly be rich in and draw in the plants such as fruit pod, pomegranate, witch hazel tree in Chinese Gallnuts, tower, can be used as multidentate ligand and metal ion generation complex reaction, form black to stablize and the cyclic chelate of densification, thus form precipitation membrane in metallic surface, prevent corrosion of metal, Weibull is as the rust-preventive agent of metal, nontoxic, pollution-free, consumption is few.
Of the present invention a kind of for the water glass in the vapour-phase inhibitor of carbon steel; it is a kind of environmentally friendly vapour-phase inhibitor; its abundance, nontoxic, inexpensive; and film forming is slow; do not make microbial growth; water glass inhibiter has the one-tenth branch of strong avidity to form one deck densification, stable protective membrane at metallic surface to metallic surface, and metal and corrosive environment are completely cut off and opens, corrosion of metal speed also can decline thereupon.
The present invention is a kind of for each moiety in the vapour-phase inhibitor of carbon steel, the i.e. wide material sources of phytic acid, Weibull, water glass, all nontoxic, makes the present invention nontoxic and with low cost for the vapour-phase inhibitor of carbon steel.
A kind of vapour-phase inhibitor for carbon steel of the present invention is carried out antirust experiment to 45# steel and A3 steel respectively, then respectively the rust-proof effect of itself and commercially available VCI-146 volatile rust preventive paper is contrasted, see the following form,
The rust-proof effect comparative analysis table of 45# steel and A3 steel
According to the data analysis in table, for being 4 times of commercially available VCI-146 volatile rust preventive paper, be 98.59% to the corrosion inhibition rate of 45# steel to the rate of oxidation of 45# steel in the vapour-phase inhibitor of carbon steel, basic close to the inhibition efficiency of commercially available anti-tarnish paper to 45# steel; Observe after the simultaneous test cycle and find, employing the 45# steel curved beam of the present invention for the vapour-phase inhibitor of carbon steel, is only that surface color is dimmed, non-corroding, illustrates that the present invention has excellent corrosion mitigating effect for the vapour-phase inhibitor of carbon steel to 45# steel.
For in the vapour-phase inhibitor of carbon steel to the rate of oxidation of A3 steel being 40 times of commercially available VCI-146 volatile rust preventive paper; Observe after the simultaneous test cycle and find, employing the present invention only has 2 spot corrosion for the A3 steel curved beam surface of the vapour-phase inhibitor of carbon steel, illustrates that the present invention is better for the rust inhibition of vapour-phase inhibitor to A3 steel of carbon steel.
A kind of vapour-phase inhibitor for carbon steel of the present invention, provide a kind of vapour-phase inhibitor compounded formula excellent to carbon steel corrosion inhibition, this composite vapour-phase inhibitor is nontoxic, efficient, with low cost, the corrosion inhibition solving existing inhibiter is low, poisonous problem, and the development and utilization being conducive to natural resources.
The present invention can be applied in carbon steel antirust in, can tackle efficiently in transport, storage process, the problem that carbon steel gets rusty.
Claims (4)
1. for the vapour-phase inhibitor of carbon steel, it is characterized in that, be made up of by mass percentage following raw material: phytic acid 27% ~ 33%, Weibull 36% ~ 45%, water glass 22% ~ 37%, the content summation of above component is 100%.
2. described in claim 1 for a preparation method for the vapour-phase inhibitor of carbon steel, it is characterized in that, specifically implement according to following steps:
Step 1, takes the raw material for the preparation of the vapour-phase inhibitor for carbon steel
Take phytic acid 27% ~ 33% respectively by mass percentage, Weibull 36% ~ 45%, water glass 22% ~ 37%, the content summation of above component is 100%;
Step 2, vapour-phase inhibitor for the preparation of carbon steel
2.1) be dissolved in distilled water by phytic acid, stir, churning time is 5 ~ 10 minutes, obtained plant acid solution, and its quality-volumetric concentration is 27g/L ~ 33g/L; Be dissolved in by Weibull in distilled water, stir, churning time is 5 ~ 10 minutes, obtained tannic acid solution, and its quality-volumetric concentration is 36g/L ~ 45g/L; Be dissolved in by water glass in distilled water, stir, churning time is 5 ~ 10 minutes, obtained sodium silicate solution, and its quality-volumetric concentration is 22g/L ~ 37g/L;
2.2) by step 2.1) in obtained plant acid solution, tannic acid solution and sodium silicate solution all standing, time of repose is 3 ~ 5 minutes, then by these three kinds of solution mixing, and stir, churning time is 5 ~ 10 minutes, i.e. the obtained described vapour-phase inhibitor for carbon steel.
3. as claimed in claim 1 for the using method of the vapour-phase inhibitor of carbon steel, it is characterized in that, after obtaining the vapour-phase inhibitor for carbon steel, be no more than in the time of 24 hours, this vapour-phase inhibitor is coated on anti-rust base paper or plastics film, is made into volatile rust preventive paper or gas-phase antirusting film; Cleaning, drying, foreign state is processed into again by by antirust steel surface; Finally, by volatile rust preventive paper or gas-phase antirusting film parcel steel surface, and sealed interface place, and volatile rust preventive paper or directly contact between gas-phase antirusting film with carbon steel.
4. as claimed in claim 1 for the application of vapour-phase inhibitor on Simple steel rust-resisting of carbon steel.
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| CN103820785B (en) * | 2014-01-28 | 2016-04-06 | 西安理工大学 | For the quaternary built vapour-phase inhibitor and preparation method thereof of carbon steel |
| CN103820786B (en) * | 2014-01-28 | 2015-11-18 | 西安理工大学 | For the environmental protection vapour-phase inhibitor and preparation method thereof of carbon steel |
| CN106086898B (en) * | 2016-08-20 | 2018-06-05 | 哈尔滨锅炉厂有限责任公司 | Volatile rust prevention powder of carbon steel and low alloy steel and preparation method thereof |
| CN106637224A (en) * | 2017-01-07 | 2017-05-10 | 青岛鑫盈鑫包装材料有限公司 | Phytic acid type gas phase rust-proof fiber board and prepration method thereof |
| CN106544677B (en) * | 2017-01-07 | 2019-04-09 | 青岛科技大学 | A kind of environment-friendly gas-phase anticorrosive fiberboard and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110112988A (en) * | 2010-04-08 | 2011-10-14 | 주식회사 러스트케미칼 | High performance volatile corrosion inhibitor powder and manufacture for the same |
| JP5672181B2 (en) * | 2011-07-14 | 2015-02-18 | 日本精工株式会社 | Method for manufacturing bearing ring member |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672181A (en) * | 1979-11-14 | 1981-06-16 | Nippon Steel Corp | Preventing method for white rust of galvanized steel sheet |
| US20130029165A1 (en) * | 2011-05-13 | 2013-01-31 | Marvin Johnson | Stable silicate solution for inhibiting corrosion |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110112988A (en) * | 2010-04-08 | 2011-10-14 | 주식회사 러스트케미칼 | High performance volatile corrosion inhibitor powder and manufacture for the same |
| JP5672181B2 (en) * | 2011-07-14 | 2015-02-18 | 日本精工株式会社 | Method for manufacturing bearing ring member |
Non-Patent Citations (2)
| Title |
|---|
| 以米糠提取液为主料的气相缓蚀剂的缓蚀性能;康笑阳等;《材料保护》;20091130;第42卷(第11期);第18-20页 * |
| 植酸与亚硝酸二环己胺气相缓蚀性能的比较;奇勇;《材料保护》;20020831;第35卷(第8期);第44-45页 * |
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